31788868

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1$

素因数の和:907

約数の個数: 24

約数和(自身を含む): 57189440

約数和(自身を除く): 25400572

約数列:

[1, 2, 4, 43, 86, 172, 421, 439, 842, 878, 1684, 1756, 18103, 18877, 36206, 37754, 72412, 75508, 184819, 369638, 739276, 7947217, 15894434, 31788868]

約数ペア:

[(1, 31788868), (2, 15894434), (4, 7947217), (43, 739276), (86, 369638), (172, 184819), (421, 75508), (439, 72412), (842, 37754), (878, 36206), (1684, 18877), (1756, 18103)]